Help me! I can't stop pulling out my hair, I think I may have what they call trichtillomania. what can i do to?

stop doing this? and will my hair grow back. I can already feel the fuzzies growin in. Should I do therapy. I have tried medication before and it doesn't work. I have been doing this for years and i have beautiful hair. I don't want to ruin it, i odn't know what to do. please help me!!!